Which Room Stat
- Thread starter adam1984
- Start date
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Honeywell dt90e. Available everywhere for £25-30.
Thank you for the recommendation.
Purchased it earlier and have installed it.
I have left it on the factory settings.
The only problem i have is the "actual" room temperature. I have turned the heating off completely and the stat is showing 23.5 degrees and has not changed at all even know the heating has been off and I can feel it getting colder in here - is that normal?
Purchased it earlier and have installed it.
I have left it on the factory settings.
The only problem i have is the "actual" room temperature. I have turned the heating off completely and the stat is showing 23.5 degrees and has not changed at all even know the heating has been off and I can feel it getting colder in here - is that normal?
Possibly not. Post a picture of the stat in its new surroundings. You will be surprised what heat it picks up from things nearby.
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Get this with pcs and plasmas
Sorry about the quality but you can get an idea of what is around the the stat.
The stat is fixed onto the stair wall. Radiator approf 3ft away and LCD TV.
The stat has now increased to 24.5 degress and is getting colder in here. Please note that the radiator is stone cold.
My feeling is if i put the heating on it is just going to be constantly flowing as the stat is not regitering the correct room temp.
Any ideas?
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The stat is fixed onto the stair wall. Radiator approf 3ft away and LCD TV.
The stat has now increased to 24.5 degress and is getting colder in here. Please note that the radiator is stone cold.
My feeling is if i put the heating on it is just going to be constantly flowing as the stat is not regitering the correct room temp.
Any ideas?
View media item 43335 View media item 43336 View media item 43337
Bizarre. Looks like q faulty unit, but try switching the TV off anyway - just to be sure.
Try switching stat down, see if heating comes on
sorry chaps, can you help me again as i think i have wired it incorrect.
I have 4 cables
Earth, blue, yell, red
Everytime the stat trys to call for heat it blows the fuse in the FCU for the boiler.
I have tested on the multi meter and I have no volts through red - yellow.
I have 240volts between blue - yellow / blue - red
I have 4 cables
Earth, blue, yell, red
Everytime the stat trys to call for heat it blows the fuse in the FCU for the boiler.
I have tested on the multi meter and I have no volts through red - yellow.
I have 240volts between blue - yellow / blue - red
V
vicvapour
An R1+R2 dead test will conform polarity on your cables and leave the neutral and yellow which if you follow the wire back yellow SHOULD be switched live, but that can depend on who wired it up.
If wired correctly 'at the other end', I would expect blue to be neutral, red live feed, yellow live return. Your old stat needed a neutral feed to work properly, your new one doesn't. At the moment your stat is connecting live and neutral together causing a short circuit!
Therefore, you need to disconnect the neutral (cut it back and tape it, or better still disconnect at other end), connect red to terminal A, and yellow to terminal B.
Therefore, you need to disconnect the neutral (cut it back and tape it, or better still disconnect at other end), connect red to terminal A, and yellow to terminal B.
You what
Dumbass answer of the evening... well done
OP. Isolate and make safe the blue. Green/Yellow the same (but separate) then put the red to terminal A and the yellow to B.
Hopefully you haven't goosed the new stat.
It does help to know if an installation has been "tested" to being with though
No it's not!
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